Q: What are the prime factors of the number 142,513,424?

 A: 2, 29, 101, 3041

Why are those the prime factors of the number 142,513,424?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 142,513,424

142,513,424
Factor Arrows
271,256,712
Factor Arrows
235,628,356
Factor Arrows
217,814,178
Factor Arrows
28,907,089
Factor Arrows
29307,141
Factor Arrows
1013,041

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 29, 101, 3041

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 101 x 3,041 = 142,513,424

This can also be written as 24 x 291 x 1011 x 3,0411 = 142,513,424

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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